Search a number
-
+
127204847551541 = 2711297593960937
BaseRepresentation
bin11100111011000100101111…
…110000001000010000110101
3121200101122221112112211102002
4130323010233300020100311
5113133111011433122131
61130313033352225045
735536150464000614
oct3473045760102065
9550348845484362
10127204847551541
11375933002459a1
121232519a09b185
1355c949a457856
14235aa670c387b
15ea8d53b6a6cb
hex73b12fc08435

127204847551541 has 16 divisors (see below), whose sum is σ = 127796287576320. Its totient is φ = 126614341762560.

The previous prime is 127204847551531. The next prime is 127204847551553. The reversal of 127204847551541 is 145155748402721.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-127204847551541 is a prime.

It is a super-2 number, since 2×1272048475515412 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127204847551501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2087450825 + ... + 2087511761.

It is an arithmetic number, because the mean of its divisors is an integer number (7987267973520).

Almost surely, 2127204847551541 is an apocalyptic number.

It is an amenable number.

127204847551541 is a deficient number, since it is larger than the sum of its proper divisors (591440024779).

127204847551541 is a wasteful number, since it uses less digits than its factorization.

127204847551541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68444.

The product of its (nonzero) digits is 12544000, while the sum is 56.

The spelling of 127204847551541 in words is "one hundred twenty-seven trillion, two hundred four billion, eight hundred forty-seven million, five hundred fifty-one thousand, five hundred forty-one".

Divisors: 1 271 1297 5939 60937 351487 1609469 7702883 16513927 79035289 361904843 2087481293 21418563319 98076212453 469390581371 127204847551541